( 14.7 ) × ( 15.3 ) => ( 15 - 0.3 )² × ( 15 + 0.3 ) We KNOW, ( a - B ) ( a + b ) = a² - b²=> 15² - 0.3²=> 225 - 0.09=> 224.91
Your experience on this site will be improved by allowing cookies. Read Cookie Policy